Starting device for internal-combustion engines.



P. POVLOTZKY.

STARTING DEVICE FOR INTERNAL COMBUSTIUN ENGINES.

APPLICATION FILED .IUNE I 1914.

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APPLICATION FILED .IUNE l. I-9I4.

Patented 001;. 12, 1915.

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P. POV'LOTZKY.

,STARTING DEVICE FOR INTERNAL COMBUSTION ENGINES.

Patented oct. 12, 1915.

APPLICATION FILED IUNE l. 1914.

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STARTING DEVICE FOR INTERNAL COMBUSTION ENGINES.

` APPLICATION FILED JUNE I, I9I4.

Patented 0ct.12, 1915.

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PHILIP POVLOTZKY, OE CHICAGO, ILLINOIS.

STARTING DEVICE FOR INTERNAL-COMBUSTION ENGINES.y

To all whom t may concern Be it known that I, PHILIP PovLoTzKY, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Starting'. Devices for Internal-Combustion Engines, of which the following is a specification.

rIhis invention relates kto that class of starting devices for internal-combustion engines in which a spring-motor is employed.

The invention has for its object to provide a novel and improvedv mechanism whereby the spring is rewound by the engine after the saine has been started, and also to lprovide a novel andimprovedineans for pre'- venting overwinding of the spring, the winding mechanism being automatically uncoupled after the spring has been wound to a predetermined degree. e

Other object.C and advantages of the pres# ent invention will be pointed out in the detailed description appearing hereinafter, and in order that the invention may be bet'- ter understood, reference is had to the accompanying drawings, in which"- Figure 1 is a plan view of the spring-actuated starting mechanism; Figs. 2 and 3 are elevations thereof from opposite sides; Fig. 4 is a. longitudinal section on the line 4-'-4 of Fig. 1; Fig. 5 is an end view, partly broken away, looking in the direction of the arrow 5 in Fig. 1; Fig. 6 is a cross-section on the line 646 of Fig. 1; Fig. 7 is an end view looking in the direction of the arrow 7 in Fig. 1, and Figs. 8 and 9 are cross-'sections on the lines 8-8 and 9'9, respectively, of Fig. 1. Y

Referring specifically to the drawings', 10 denotes a suitable base provided with bearing standards 11 in which are journaled trunnions 12 4atthe end of a barrel 13 inclosing a coiled spring 14. The trunnions are hollow and through the same passes a sleeve j 15. r1`he sleeve passes centrally through the barrel, to which latter the outer end of the spring is fastened, the inner end of the spring being made fast to the sleeve. In the sleeve is loosely mounted a starting shaft 16 which latter is coupled in any suit able manner to the engine shaft.- The sleeve and the starting shaft are independently rotatable.l

c The renewing mechanism for winding the sprang 14 troiette' @agite is provided; on

Specification of Letters Patent.

-Patented 9ct. 12, 1915.

, Application led June 1, 1914. Serial No. 842,178.

16 which vis adjacent to the worm gear 17 is loosely mounted a sprocket wheel 26 which -1s connected to the sprocket wheel 24 by a drive chain 27. Formed integral with, or

`fastened to the sprocket wheel 26, on one side thereof, is a disk 28. On the outer face of this disk is pivoted, at 29, a dog 30 having at one end a laterally projecting lug 31. The other end of the dog is connected by a link 32 to an arm 33 extending from a hub 34 loosely mounted on a hub extension 35 on the outer face of the disk 28. From the hub 34 also extends aA second arm 36 to which is connected one end of a coiledspring 37 having its other end anchored to the disk 28. The parts 33, 34 and 36 form an angle lever which is fulcrumed on the part 35. Adjacent to the face of the disk 28 which carries the dog 30, is located a double cam 38 which is keyed or otherwise made fast to the starting shaftV 16. This cam has two diametrically opposite abutments or shoulders v39 into the path of which the lug 31 extends.

-When the engine starts, the shaft 16 turns Vand rotates the cam 38, and when one of the shoulders 39 strikes the lug 31, the disk 28 is coupled to the cam to rotate therewith. The parts 26, 27, 24, 22, 21, 18 and 17 transmit the motion of the disk to the spring- 4barrel 13, and the spring 14 is thus wound up. This sprlngwlnding gear 1s a reducing gear so that the spring barrel turns at a greatly reduced rate of speed. For the initial starting of the engine, or in case of` failure of the spring motor to operate, the

shaft 16 may be operated manually by applying an ordinary starting crank thereto, the forward e'nd of the shaft being squared for this purpose, as indicated at 40.

The energy stored up in the wound spring 14 is applied to the starting shaft 16, for turning the same to start the engine, by the following devices: The sleeve 15 projects from the tru'nnion 12 at the end of the bari rel 13,- opposit-e the end having the' 'Worm .Q ke

gear 17, and on said projecting end is integral or made fast a clutch member 41 cooperating with a clutch member 42 keyed or otherwise made fast to the shaft 16. Between the clutch members is interposed a roller 48 which is wedged against the member 42 by a cam surface 44 on the member 41, and when thus wedged or bound, the motion of the member 41 is transmitted to the member 42. Atiny other suitable clutch mechanism may be provided for transmit ting motion from the sleeve 15 to the shaft 16. rllhe clutch member 42 runs loose and is not coupled to the member 41 when the shaft 16 turns in a direction to wind the spring 14, but when the sleeve 15 is rotated by the spring 14, the members 41 and 42 are coupled together, and the sleeve is thus coupled to the shaft to turn the latter. lVhen the spring 14 is being wound up, and after it is wound, the sleeve 15 is locked against rotation until a starting impulse is desired, by the following` mechanism The clutch member 41 has a rim portion 45 provided with a stop shoulder 46 which intercepts a shoulder 47 on a manually operated levez,l 48 fulcrumed on the base 10, as indicated at 49. A spring 5G, connected to the lever,. holds the latter in contact with the periphery of the part 45. A guide bracket 502L for the lever is provided. 1When the shoulders 46 and 4 are in contact with each other, the sleeve 15 is locked against rotation by the spring 14, and upon swinging the lever to disengage the shoulders, the sleeve is released and turned by the spring, whereupon the motion of the sleeve is transmitted to the shaft 16 by the clutch mechanism 41, 42 and 48 hereinbcfore described, and a` starting impulse is given said shaft.

1n order to hold the lever 48 in releasing position until the end of the starting impulse of the shaft 16, the following devices are provided: 1n suitable bearings 51 on the base 10 is mounted a shaft on which is fast a ratchet wheel 53, which is engageable by a spring pawl 54 carried by a lever which is fulcrumed on said shaft. r1`he shaft is given a step-by-step rotary motion through this pawl-and-ratchet mechanism. The lever 55 is actuated by an eccentric 56 en the sleeve 15, the strap 57 of the eccentric having a rod 58 which is connected to the lever. On the shaft 52 is also fast a cam 59 having diametrically opposite shoulders 60. To the lever 48 is fastened one end of an arm 61 having at its opposite end a laterally projecting linger 62 which rests on the periphery of the cam 59. The linger 62 is normally adjacent to and behind one of the shoulders 60. On the periphery of the part 45 is a. cam 63 which is located to come against the edge of the lever 48 and force the same in the direction it swings to disengage the shoulders 46 and 47. When the lever 48 is swung to release the sleeve 15 as hereinbefore described, the cam 63, shortly after the clutch member 41 starts to turn, strikes the lever 48 and forces it farther away from the periphery of the part 45, whereupon the arm 61 swings upward and the linger 62 rises over the shoulder 60 and engages the high portion of the cam 59, which latter now, through the arm 61 holds the lever 48 retracted. ln the meantime, the rotation of the sleeve 15, through the eccentric 56 and the pawl-and-ratchet mechanism 53, 54 and impart-s a stcp-by-step rotary movement to the shaft 52 and the cam 59 turns. the end of the starting impulse, the cam has been rotated sufficiently to bring the next shoulder 60 adjacent to the Enger 62, whereupon the arm 61 is released, and the lever 48 is now drawn back by the spring 50 to position the shoulder 47 so as to intercept the shoulder 46, and when said shoulders meet, the sleeve 15 is locked against further rotation.

To prevent overwinding of the spring 14 by the engine, the following mechanism is provided for automatically disconnecting the disk 28 from the cam 38, after the shaft 16 has been given a predetermined number of revolutions by the engine shaft to wind up the spring. This mechanism comprises the following parts: @n the trunnion 12, adjacent to the eccentric 56, is an eccentric 64 the strap 65 of which has a rod 66 which -is connected to a ratchet-lever 67 fulcrumed on the shaft 52. r1`he ratchet-lever carries a spring pawl 68 which engages the ratchet wheel 53 on one side of the spring pawl 54, said ratchet wheel being wide enough to ac4 commodate both of said pawls. On the shaft 52 is also fast a cam 69 the periphery of which is engaged by a linger 70 at the outer end of a rocker arm 71 fixed to arocl shaft 72 extending parallel to the axis of the barrel 18 and supported at its end in bearings 7 3 on the base 10. ViChe forward end of the shaft 7.2 has a finger 74. which is designed to come into the path of the arm 86. On the base 10 is also pivoted, as indicated at 7o, a detent 76 which is so positioned that it may engage a shoulder 77 on the periphery of the disk 28. A coiled spring 78 anchored to the base 10 and connected to the detent tends to swing the same toward the periphery of the shoulder 77. rlhe detent is located slightly in advance of the linger 74, to o-ne side thereof, and has a hook 79 which extends around the back of the finger, whereby a loose connection between the finger and the detent is provided, and the latter is caused to swing away from the shoulder 77 when the finger 74 is re tracted.

The finger 74 and the detent 76 are in retracted position when the linger 70 of the rocker arm 71 engages the high surface of Cir the cam 69. When the barrel 13 is rotated by the engine to wind the spring 14 in the manner hereinbefore described, the cam 69 is rotated step-by-step through the eccentric 64 and the pawl-and-ratchet mechanism 67, 68 and 53, and when the finger 70 reaches the end of the high portion of the cam, the rocker arm is released and swung down by a coiled spring 7 8a connected to it, whereupon the shaft 72 is rocked and the finger 74 swings forward to intercept the arm 36. When the arm 36 strikes the finger 74 the arm 33 swings, and through the link 32 the dog 30 is swung to disengage the lug` 'i 31 from the shoulder 30. The cam 38 is now disconnected from the disk 28, and the spring winding mechanism is disconnected from the shaft 16. At the same time the finger 74 swings forward to intercept the arm 36, the detent 76 is swung over by its spring 78 to intercept the shoulder 77 and lock the disk 28, which locks the barrel 13 and prevents the spring from unwinding. The arm 36 swings between stop pins 79a projecting from the face of the disk 28. The spring 14 being now wound, the barrel 13 is locked against rotation by the locking of the disk 28 as hereinbefore described. When the spring is being wound up as described bv the rotation of the barrel 13, the sleeve 15 is held stationary bv the lever 48 as hereinbefore described. When the sleeve 15 is released to impart a starting impulse, and the shaft 52 is rotated by the pawl-and-ratchet mechanism 53, 54 and 55 to actuate the cam 59, the cam 69 is also rotated as it is fast on the shaft 52. At the end of the starting impulse the cam 69 will have swung the arm 71 to rock the shaft 72 ina direction to retract the finger 74 and the detent 76, whereupon the spring 37 rocks the arms 36 and 33, and the latter, through the link 32, swings the dog 30 so that its lug 31 again intercepts one of the shoulders 39, which again couples the winding mechanism to the shaft 16, and the spring 14 is rewound from the engine.

The various gears and other parts are so designed and proportioned that the spring 14 turns the shaft 16 a few times, just enough to start the engine, whereas a greater number of revolutions of said shaft are required to wind up the spring.

As the ratchet levers 55 and 67 do not operate together, one of the pawls acts to prevent the ratchet wheel from slipping back when the other pawl is making a back stroke'. The eccentric 64 is so positioned that the finger 74 is advanced at the proper time to come squarely under the arm 36 in order that there may be no edgewise contact therebetween.

The spring 14 is so designed that when it has unwound and started the engine, the shoulder-46 is spaced a short distance from enough time to pick up a little speedf To start' the winding of the spring immediately after the engine starts is objectionable as it places too much load on the engine at a time when its strokes are slow and of minimum power.

I claim:

1. In a starting device for internal-combustion engines, a starting shaft, a sleeve loosely mounted on said shaft, a rotatable member loosely mounted on the sleeve, a spring connected at one end to said member and at the other end to the sleeve, a rotatable element loose on the shaft, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a gearing between the rotatable element and the first-mentioned rotatable member for turning the latter in a direction to wind the spring, and means controlled by the first-mentioned rotatable member for tripping the clutch member.

2. In a starting device for internal-combustion engines, a starting shaft, a sleeve loosely mounted on said shaft, a rotatable member loosely mounted on the sleeve, a spring connected at one end to said member and at the other end to the sleeve, a rotatable element loose on the shaft, a pivoted clutch member carried by said element", a rotatable member fast on the starting shaft and having an abutment 'engageable by the clutchl member, a gearing between the rotatable element and the first-mentioned rotatable member for turning the latter in a direction to wind the spring, a pivoted member having a projecting arm and a connection with. the clutch member, a rock-shaft, a finger on the rock-shaft adapted to intercept the pivoted member to swing the same to trip the clutchmember, an arm extending from the rock-shaft,l and means actuated by the first-mentioned rotatable member for rocking the arm to actuate the rock-shaft.

3. In a starting device for internal-combustion engines, a starting shaft, a sleeve loosely mounted on said shaft, a rotatable member loosely mounted on the sleeve, al

spring connected at one-end to said member and at the other end to the sleeve, a rotatable element loose on the shaft, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a gearing between the rotatable elementl and the first-mentioned rotatable member for turning,` the latter in a direction to wind the spring, a pivoted member having a projecting arm and a connection with the clutch member, a rock-shaft, a finger on the rock-shaft adapted to intercept the arm of the pivoted member to swing said member to trip the clutch member, an arm extending from the rock-shaft, a cam engageable by the arm of the rock-shaft, a pawl-and-ratchet mechanism for actuating the cam, and an eccentric driven by the firstmentioned rotatable member and operatively connected to the pawl-and-ratchet mechanism to actuate the same.

el. ln a starting` device for internal-combustion engines a startino' shaft a sleeve loosely mounted on said shaft, a rotatable member loosely mounted on the sleeve, a

spring connected at one end to said member and at the other end to the sleeve, a rotatable element loose on the shaft, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having,` an abutment engageable by the clutch member, a gearing between the rotatable element and the first-mentioned rotatable member for turning the latter in a direction to wind the spring, a pivoted member having a projecting arm and a connection with the clutch member, a rock-shaft, a finger on the rock-shaft adapted to intercept the arm of the pivoted member to swing said member to trip the clutch member, an arm extending from the rock-shaft, a cam engageable by the arm of the rock-shaft, a pawl-andratchet mechanism for actuating the cam, and means actuated by the first-mentioned rotatable member for operating the paWland-ratchet mechanism.

5. In a starting device for internal-combustion engines, a starting,` shaft, a sleeve loosely mounted on said shaft, a rotatable member loosely mounted on the sleeve, a spring connected at one end to said member and at the other end to the sleeve, a rotatable element loose on the shaft, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a gearing between the rotatable element and the first-mentioned rotatable member for turning the latter in a direction to wind the spring, a pivoted member having a projecting arm and a connection with the clutch member, a rock-shaft, a finger on the rock-shaft adapted to intercept the arm of the pivoted member to swing said member to trip the clutch member, an arm extending from the rock-shaft, a rotatable member for winging the arm to actuate the rock-shaft, and means actuated by the first-mentioned rotatable member for actuating the lastmentioned rotatable member.

6. In a starting device for internal-combastion engines, a starting shaft, a sleeve loosely mounted on said shaft, a rotatable member loosely mounted on the sleeve, a spring connected at one end to said member, and at the other end to the sleeve, a worm gear on the rotatable member, a worm in mesh with said gear, a rotatable element loose on the starting` shaft, a gearing between said element and the worm, a rotatable member fast on the starting shaft, a driving connection between said member and the rotatable element, and means controlled b v the first-mentionet rotatable member for breaking` the driving connection.

'7. ln a startingdevice for internal-combustion engines, a starting shaft, a sleeve loosely mounted on said shaft,y a rotatable member loosely mounted on the sleeve, a spring' connected at one end to said member and at the other end to the sleeve, a rotatable element loose on the starting; shaft, a rotatable member fast on the starting` shaft, a driving` connection between the rotatable element and the first-mentioned rotatable member for turning` the-latter in a direction to wind the spring, a driving connection between the second-mentioned rotatable member and the rotatable element, and means controlled by the first-mentioned rotatable member for breaking the last mentioned driving' connection.

S. ln a starting device for internal-combustion engines, a starting" shaft, a sleeve loosely mounted on said shaft, a rotatable member loosely mounted on the sleeve, a spring` connected at one end to said member and. at the other end to the sleeve, a rotatable element loose on the shaft, a pivoted .clutch member carried by said element, a rq'itatable member fast on the starting' shaft and having an abutn'ient engageable by the clutch member, a gearing` between the rotatable element and the first-mentioned rotatable member for turning the latter in a direction to wind the spring', means controlled by the first-mentioned rotatable member for tripping the clutch member, and means for locking the rotatable element when the clutch member is tripped.

9. ln a starting device for internal-combustion engines` a starting shaft, a sleeve loosely mountedV on said shaft, a rotatable member loosely mounted on the sleeve,r a spring connected at one end to said member and at the other end to the sleeve, a rotatable element loose on the starting shaft, a rotatable member fast on the starting shaft, a driving` connection between the rotatable element and the first-mentioned rotatable member for turning the latter in a direction to wind the spring, a driving` connection between the second-mentioned rotatable member and the rotatable element, means controlled by the first-mentioned rotatable member for breaking the last-mentioned driving connection, and means for lockingl the rotatable element when the aforesaid driving connection is broken.

10. in a starting device for internal-combustion engines, a starting shaft, a sleeve loosely mounted on said shaft, a rotatable member loosely mounted on the sleeve, a spring connected at one end to said member and at the other end to the sleeve, a rotatable element loose on the shaft and operatively connect-ed to the rotatable member to turn the same in a direction to wind the spring, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a clutch releasing device, a swinging finger adapted to intercept the clutch releasing device to actuate the same, a detent for locking the rotatable element when the clutch member is released, and means controlled by the firstmentioned rotatable member for actuating the linger and the detent.

11. In a starting device for internal-combustion engines, a starting shaft, a sleeve loosely mounted on saidy shaft, a rotatable member loosely mounted on the sleeve, a spring connected at one end to said member and at the other end to the sleeve, a rotatable element loose on the shaft and operatively connected to the rotatable member to turn the same in a directionto Wind the spring, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a clutch releasing device, a sivingingfinger adaptedto intercept the clutch releasing device to actuate the same, a detent for locking the rotatable element When the clutch member is released, means controlled by the firstmentioned rotatable member for actuating the finger, and a connection betvveen' said linger and the detent for actuating the latter When the finger is actuated.

12. In a starting device for internal-combustion engines, a starting shaft, a sleeve loosely mounted on the shaft, a rotatable member loosely mounted on the sleeve,` a spring connected at one end to saidA member, and at the other end to the sleeve, means for Winding the spring fromf the starting shaft, cooperating clutch members on the starting shaft and the sleeve, respectively, a lever having means for locking the clutch member of the sleeve, an arm eX- tending from the lever, a cam engageable by the arm for holding the lever in releasing position, and means actuated by the sleeve for operating the cam to release the arm and allow the'v lever to assume its locking position.

Vv13. In a starting. device for internal-combustion engines, a startingshaft, a sleeve loosely mounted on the shaft, a rotatable member loosely mounted on the sleeve, a spring connected at one end to said member, and at the other end to the sleeve, means for Winding the spring from the starting shaft, cooperating clutch members on the starting shaft and the sleeve, respectively, a lever having means for lockingv the clutch member of the sleeve, an arm extending from the lever, a cam engageable by the arm for hold-ing the lever in releasing position, and means actuated by the sleeve for operating the cam to release the arm and allow the lever to assume its locking position, said means comprising a paWl-and-ratchet mechanism connected to the cam, and an eccentric on the sle ve and operatively connected to the paWl-and-ratchet mechanism.

14. in a starting device for internal-combustion engines, a starting shaft, a sleeve loosely mounted on the shaft, a rotatable member loosely mounted on the sleeve, a spring connected at oney end to said member, and at the other end to the sleeve, means for Winding the spring from the starting shaft, coperating clutch members on the starting shaft and the sleeve', respectively, a lever having means for locking the clutch member of the sleeve, a cam on the clutch member of the sleeve for forcing the lever to release position, an arm extending from the lever, a cam engageable by the arm for holding the lever 1n releasing position, and means actuated by the sleeve for operating the cam to release the arm and allow the clutch member, a gearing betweenl the ro-` tatable element andV the" second-mentioned rotatable member for turning the latter in a direction to Wind the spring, and means controlled by said second-mentioned rotatablemember for tripping the clutch* member.`

- 16. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a secondL rotatable member, a spring connected at its respective ends tol said members', arotatable element loose on the shaft, a pi'voted clutch member carried by said element, a rotatable member fast on the starting7 shaft and having an abutment* engageable by the clutchA member, a4` gearing' betv'veen the" rotatable element and the second-mentioned rotatable member for turning the latter in a direction`|` toy Wind the spring, a pivoted member'liaving` a projecting' arm and al; con-' nection with the clutch member, a rockshaft, a finger on the rock-shaft adapted to intercept the pivoted member to swing the same totrip the clutch member, an arm extending from the rock-shaft, and means actuated by the second-mentioned rotatable member for rocking the arm to actuate the rock-shaft.

17. ln a starting device for internal combustion engines, a starting shaft, a member' rotatable independently of the shaft, a second rotatable member, a spring connect-ed at its respective ends to said members, a rotatable element loose on the shaft, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a gearing` between the rotatable element and the second-mentioned rotatable member for turning the latter in a direction to wind the spring, a pivoted member having a projecting arm and a connection with the clutch member, a rockshaft, a finger on the rock-shaft adapted to intercept the arm of the pivoted member to swing said member to trip the clutch 1nember, an arm extending from the rock-shaft, a cam engageable by the arm of the rocl shaft, a pawl-and-ratchet mechanism for actuating the cam, and an eccentric driven by the second-mentioned rotatable member and operatively connected to the pawl-andratchet mechanism to actuate the same.

18. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a second rotatable member, a spring connected at its respective ends to said members, a

rotatable element loose on the shaft, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a gearing between the rotatable element and the second-mentioned rotatable member for turning the latter in a direction to wind the spring, a pivoted member having a projecting arm and a connection with the clutch member, a rock-shaft, a finger on the rock-shaft adapted to intercept the arm of the pivoted member to swing said member to trip the clutch member, an arm extending from the rock-shaft, a cam engageable by the arm of the rock-shaft, a pawl-andratchet mechanism for actuating the cam, and means actuated bv the secondme'ntioned rotatable member for operating the pawl-and-ratchet mechanism.

19. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a second rotatable member, a spring connected at its respective ends to said members, a rotag table element loose on the shaft, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a gearing between the rotatable element and the second-mentionedrotatable member for turning the latter in a direction to wind the spring, a pivoted member having a projecting arm and a connection with the clutch member, a rock-shaft, a finger on the rock-shaft adapte@L to intercept the arm of the pivoted member to swing said member to trip the clutch member, an arm extending` from the rock-shaft, a rotatable member for swinging the arm to actuate the rock-shaft, and means actuated by the second-mentioned rotatable member for actuating the last-mentioned rotatable member.

20. in a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a second rotatable member, a spring connected at its respective ends to said members, a worm gear on the second-mentioned rotatable member, a worm in mesh with said gear, a rotatable element loose on the starting shaft, a gearing between said rotatable element and the worm, a rotatable member fast on the starting shaft, a driving connection between the last-mentioned rotatable member and the rotatable element, and means controlled by the second-mentioned rotata ble member for breaking the driving connection.

2].. ln a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a second rotatable member, a spring connected at its respective ends to said members, a rotatable element loose on the starting shaft, a rotatable member fast on the starting shaft, a driving connection between the rotatable element and the second-mentioned ro tatable member for turning the latter in a direction to win d the spring, a driving con nection between the last-mentioned rotatable member and the rotatable element, and means controlled by the second-mentioned rotatable member for breaking the last-mentioned driving connection.

22. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a second rotatable member, a spring connected at its respective ends to said members, a rotatable element loose on the shaft, a pivoted clutch member carried by said element, i

a rotatable member fast on the starting shaft l and having an abutment engageable by the clutch member, a gearing between the rotatable element and the second-mentioned rotatable member for turning the latter in a direction to wind the spring, means controlled by the second-mentioned rotatable member for tripping the clutch member, and means for locking the rotatable element when the clutch member is tripped.

23. In a starting device for internal comlila bustion engines, a starting shaft, a member rotatable independently of the shaft, a second rotatable member, a spring connected at its respective ends to said members, a rotatable element loose on the starting shaft, a rotatable member fast on the starting shaft, a driving connection between the rotatable element and the second-mentioned rotatable member for turning the latter in a direction to wind the spring, a driving connection between the last-mentioned rotatable member and the rotatable element, means controlled by the second-mentioned rotatable member for breaking the last-mentioned driving connection, and means for locking the rotatable element when the aforesaid driving connection is broken.

24. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a second rotatable member, a spring connected at its respective ends to said members, a rotatable element loose on the starting shaft and operatively connectedv to the second-mentioned rotatable member to turn the same in a direction to wind the spring, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a clutch-releasing device, a swinging finger adapted to intercept the clutch releasing device to actuate the same, a detent for locking the rotatable element when the clutch member is released, and means controlled by the second-mentioned rotatable member for actuating the finger and the detent.

Q5. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a second rotatable member, a spring connected at its respective ends to said members, a rotatable element loose on the shaft and operatively connected to the second-mentioned rotatable member to turn the same in a direction to wind the spring, a pivoted clutch member carried by said element, a rotatable member fast on the starting shaft and having an abutment engageable by the clutch member, a clutch-releasing device, a swinging` finger adapted to intercept the clutchreleasing device to actuate the same, a detent for locking the rotatable element when the clutch member is released, means controlled by the second-mentioned rotatable member for actuating the finger, and a connection between said finger and the detent for actuating the latter when the finger is actuated.

26. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a spring connected to said member for turning the same, coperating clutch members on the starting shaft and the aforesaid rotatable member, respectively, a lever having means for locking the clutch member of the rotatable member, an arm extending from the lever, a cam engageable by the arm for holding the lever in releasing position, and means actuated by the rotatable member for operating the cam to release the arm and allow the lever to assume its locking position.

27. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a

spring connected vto said member for turn-.

ing the same, coperating clutch members on the starting shaft and the aforesaid rotatable member, respectively, a lever having means for locking the clutch member of the rotatable member, an arm extending from the lever, a cam engageable by the arm for holding the lever in releasing position, and means actuated by the rotatable member for operating the cam to release the arm and allow the lever to assume its locking position, said means comprising a pawl-andratchet mechanism connected to the cam, and an eccentric on the rotatable member operatively yconnected to the pawl-and-ratchet mechanism.

28. In a starting device for internal combustion engines, a starting shaft, a member rotatable independently of the shaft, a spring connected to said member for turning the same, coperating clutch members on the starting shaft and the aforesaid rotatable member, respectively, a lever having means for locking the clutch member of the rotatable member, a cam on the clutch member of the rotatable member for forcing the lever to release position, an arm extending from the lever, a cam engageable by the arm for holding the lever in releasing position, and means actuated by the rotatable member for operating the cam to release the arm and allow the lever to assume its locking position.

in testimony whereof aflix my signature in presence of two witnesses.

PHILIP POVLOTZKY.

Witnesses:

H. G. BATCHELOR, S. J. LEHRER.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents` Washington, D. C. 

